Browsing by UPNA Author "Pérez Herrera, Rosa Ana"
Now showing items 1-20 of 23
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46-km-long Raman amplified hybrid double-bus network with point and distributed Brillouin sensors
Fernández Vallejo, Montserrat
; Olier Aguado, David; Zornoza Indart, Ander; Pérez Herrera, Rosa Ana ; Díaz Lucas, Silvia ; Elosúa Aguado, César ; Bariáin Aisa, Cándido ; Loayssa Lara, Alayn ; López-Amo Sáinz, Manuel (IEEE, 2012)
Artículo / Artikulua 
We experimentally demonstrate a 46-km hybrid network that combine point and distributed Brillouin sensors. The proposed sensor network multiplexes low-cost intensity point sensors based on fiber-optic tapers, which are ... -
ECOAL project: delivering solutions for integrated monitoring of coal-related fires supported on optical fiber sensing technology
Ribeiro, Joana; Viveiros, Duarte; Ferreira, João; López Gil, Alexia; Domínguez López, Alejandro; Martins, Hugo F.; Pérez Herrera, Rosa Ana; López Aldaba, Aitor ; Duarte, Lia; Rodrigues Pinto, Ana Margarida ; Martín López, Sonia; Baierl, Hardy; Jamier, Raphael; Rougier, Sébastien; Auguste, Jean-Louis; Teodoro, Ana Cláudia; Gonçalves, José Alberto; Esteban, Óscar; Santos, José Luís; Roy, Philippe; López-Amo Sáinz, Manuel ; González Herráez, Miguel; Baptista, José Manuel; Flores, Deolinda (MDPI, 2017)
Artículo / Artikulua
The combustion of coal wastes resulting from mining is of particular environmental concern, and the importance of proper management involving real-time assessment of their status and identification of probable evolution ... -
Fiber cavity ring down and gain amplification effect
Silva, Susana; Magalhães, Regina; Pérez Herrera, Rosa Ana; López-Amo Sáinz, Manuel ; Marques, M. B.; Frazão, Orlando (Springer Nature, 2016)
Artículo / Artikulua
The effect of an erbium-doped fiber amplifier (EDFA) placed inside the fiber ring of a cavity ring down (CRD) configuration is studied. The limitations and advantages of this configuration are discussed, and the study of ... -
Frequency modulated continuous wave system for optical fiber intensity sensors with optical amplification
Pérez Herrera, Rosa Ana; Frazão, Orlando; Santos, José Luís; Araújo, Francisco Moita; Ferreira, Luis Alberto; Baptista, José Manuel; López-Amo Sáinz, Manuel (IEEE, 2009)
Artículo / Artikulua
We report on the use of erbium doped fiber (EDF) amplification to enhance a frequency modulated continuous wave (FMCW) technique for referencing optical intensity sensors located between two Bragg grating structures. The ... -
Gamma radiation measurements using an optical fiber laser
Pérez Herrera, Rosa Ana; Stancalie, Andrei; Cabezudo Sánchez-Valverde, Pablo Miguel; Sporea, Dan; Negut, Daniel; López-Amo Sáinz, Manuel (Optical Society of America, 2018)
Contribución a congreso / Biltzarrerako ekarpena
A fiber ring laser cavity configuration was used to analyze the effect of gamma-irradiation over the performance of different types of erbium doped fibers. Preliminary results validates this method to monitor gamma-radiation ... -
High sensitivity fiber-optic liquid level sensor using biconical tapered fibers
Júdez Colorado, Aitor; Leandro González, Daniel ; Pérez Herrera, Rosa Ana ; Galarza Galarza, Marko ; López-Amo Sáinz, Manuel (Optical Society of America, 2018)
Contribución a congreso / Biltzarrerako ekarpena
A liquid level sensor is presented using a biconical tapered standard single-mode fiber, being its main characteristic an outstanding sensitivity for a low cost transducer. Temperature compensation is enabled with the same ... -
Influence of saturable absorbers on fiber ring laser sensors
Rodríguez Cobo, L.; Quintela, M. A.; Ruiz Lombera, Rubén; Pérez Herrera, Rosa Ana; López-Amo Sáinz, Manuel ; López Higuera, José Miguel (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a fiber ring laser sensor has been employed to analyze the influence of passive Er-doped fiber acting as saturable absorber. Lasing modes of fiber ring lasers can be reduced by properly locating a saturable ... -
L-band multiwavelength single-longitudinal mode fiber laser for sensing applications
Pérez Herrera, Rosa Ana; Ullán Nieto, Ángel; Leandro González, Daniel ; Fernández Vallejo, Montserrat ; Quintela, M. A.; Loayssa Lara, Alayn ; López Higuera, José Miguel; López-Amo Sáinz, Manuel (IEEE / OSA, 2012)
Artículo / Artikulua
In this work, a novel single-longitudinal-mode (SLM) four-wavelength laser configuration for sensing applications in the L-band is proposed and experimentally demonstrated. The sensor system presented here is based on ring ... -
Long-range hybrid network with point and distributed Brillouin sensors using Raman amplification
Zornoza Indart, Ander; Pérez Herrera, Rosa Ana; Elosúa Aguado, César ; Díaz Lucas, Silvia ; Bariáin Aisa, Cándido ; Loayssa Lara, Alayn ; López-Amo Sáinz, Manuel (Optical Society of America, 2010)
Artículo / Artikulua
We propose a novel concept for hybrid networks that combine point and distributed Brillouin sensors in a cost-effective architecture that also deploys remote distributed Raman amplification to extend the sensing range. A ... -
Micro-drilled optical fiber for enhanced laser strain sensors
Pérez Herrera, Rosa Ana; Bravo Acha, Mikel ; Roldán Varona, Pablo; Leandro González, Daniel ; Rodríguez Cobo, L.; López Higuera, José Miguel; López-Amo Sáinz, Manuel (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we present an experimental measurement of temperature and strain sensitivities of a micro-drilled optical fiber (MDOF). The MDOF consisted of a quasi-randomly distributed reflector along a single mode fiber ... -
Modulated fiber ring laser and its application in high-sensitivity temperature sensors
Pérez Herrera, Rosa Ana; Tainta Ausejo, Santiago ; Erro Betrán, María José ; López-Amo Sáinz, Manuel (SPIE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
This work presents an experimental demonstration of a scheme based on an internally modulated fiber ring laser for high-sensitivity temperature sensing. The attained temperature resolution has been as low as ± 2pm even ... -
Multiplexing optical fiber Fabry-Perot interferometers based on air-microcavities
Pérez Herrera, Rosa Ana; Novais, S.; Bravo Acha, Mikel ; Leandro González, Daniel ; Silva, Susana; Frazão, Orlando; López-Amo Sáinz, Manuel (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this work we demonstrate the multiplexing capability of new optical fiber Fabry-Perot interferometers based on airmicrocavities using a commercial FBG interrogator. Three optimized air-microcavity interferometer sensors ... -
Optical fiber bus protection network to multiplex sensors: experimental validation of self-diagnosis
Pérez Herrera, Rosa Ana; Urquhart, Paul; Schlüter, Marcel; Díaz Lucas, Silvia ; López-Amo Sáinz, Manuel (IEEE, 2012)
Artículo / Artikulua
The experimental demonstration of a resilient wavelength division multiplexed (WDM) fiber bus network to interconnect sensors is reported. The network recovers operation after failures and it performs 'self-diagnosis', the ... -
Optical fiber lasers assisted by microdrilled optical fiber tapers
Pérez Herrera, Rosa Ana; Pallarés Aldeiturriaga, D.; Júdez Colorado, Aitor ; Rodríguez Cobo, L.; López-Amo Sáinz, Manuel ; López Higuera, José Miguel (Optical Society of America, 2019)
Artículo / Artikulua
In this Letter, we present an analysis of the backscattering generated in a microdrilled tapered fiber within a short-linear-cavity fiber laser. We propose and experimentally demonstrate a fiber cavity laser based on a ... -
Random fiber lasers: application to fiber optic sensors networks
López-Amo Sáinz, Manuel; Leandro González, Daniel ; Miguel Soto, Verónica de ; Bravo Acha, Mikel ; Fernández Vallejo, Montserrat ; Pérez Herrera, Rosa Ana (IEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
Recently, random mirrors have been proposed as a method to create fiber laser cavities. This kind of cavity is based on cooperative Rayleigh scattering, which is generated along a fiber due to the material inhomogeneities ... -
Resilient amplified double ring optical networks to multiplex optical fibre sensors
Fernández Vallejo, Montserrat; Pérez Herrera, Rosa Ana ; Elosúa Aguado, César ; Díaz Lucas, Silvia ; Urquhart, Paul; Bariáin Aisa, Cándido ; López-Amo Sáinz, Manuel (IEEE / OSA, 2009)
Artículo / Artikulua
We report the experimental demonstration of two configurations of an amplified optical fibre double ring network for the multiplexing of sensors. The networks are designed to be inherently resilient to fibre failures because ... -
Robust fiber-optic sensor networks
Pérez Herrera, Rosa Ana; Fernández Vallejo, Montserrat ; López-Amo Sáinz, Manuel (Springer, 2012)
Artículo / Artikulua
The ability to operate despite failure will become increasingly important as the use of optical sensor networks grows, and the amount of sensing information to be handled by a sensor network is increasing, especially for ... -
Simultaneous measurement of humidity and vibration based on a nanowire sensor system using Fast Fourier Transform technique
Rota Rodrigo, Sergio; López Aldaba, Aitor ; Pérez Herrera, Rosa Ana ; López Bautista, María del Carmen; Esteban, Óscar; López-Amo Sáinz, Manuel (IEEEOptical Society of America, 2016)
Artículo / Artikulua
This paper presents a new sensor system for vibration and relative humidity measurements based on its interaction with the evanescent field of a microwire. The interrogation of the sensing head is carried out by monitoring ... -
Simultaneous measurement of strain and temperature based on clover microstructured fiber loop mirror
Pérez Herrera, Rosa Ana; André, R. M.; Silva, S. F.; Becker, M.; Schuster, K.; Kobelke, J.; López-Amo Sáinz, Manuel ; Santos, José Luís; Frazão, Orlando (Elsevier, 2015)
Artículo / Artikulua
In this work, two all-fiber loop mirrors using a clover microstructured fiber for the simultaneous measurement of temperature and strain are presented. The sensing heads are formed by a short piece of clover microstructured ... -
Single-longitudinal-mode dual wavelength-switchable fiber laser based on superposed fiber bragg gratings
Pérez Herrera, Rosa Ana; Rodríguez Cobo, L.; Quintela, M. A.; López Higuera, José Miguel; López-Amo Sáinz, Manuel (IEEE, 2015)
Artículo / Artikulua
n this work, a simple switchable dual-wavelength short-cavity fiber laser operating in a single-longitudinal-mode regime at room temperature and based on superposed fiber Bragg gratings is proposed and experimentally ...
